:is(.ln-topic,.ln-video,.rm,.cat-card,.cat-road,.rm-start,.ln-course-hero,.lh-badge){--c-solid:color-mix(in srgb, var(--c) 72%, #000)}.ln-code{min-width:0;box-shadow:var(--shadow-flat);background:#0d1120;border:1px solid #2a3150;border-radius:1rem;margin:1rem 0;overflow:hidden}.ln-code-bar{color:#a9b1cc;background:#151a2e;border-bottom:1px solid #2a3150;align-items:center;gap:.6rem;padding:.35rem .5rem .35rem .85rem;font-size:.75rem;font-weight:700;display:flex}.ln-code-dots{gap:5px;display:inline-flex}.ln-code-dots i{background:#ff5f57;border-radius:50%;width:9px;height:9px}.ln-code-dots i:nth-child(2){background:#febc2e}.ln-code-dots i:nth-child(3){background:#28c840}.ln-code-lang{letter-spacing:.06em;text-transform:uppercase}.ln-code-btn{color:#dfe5ff;background:#1c2340;border:1px solid #34406a;border-radius:.6rem;min-height:2.5rem;padding:0 .75rem;font-size:.78rem;font-weight:700;transition:background-color .14s,border-color .14s}.ln-code-btn:hover{background:#263059;border-color:#4a5a95}.ln-code-btn.is-run{color:#08130e;background:#3ddc97;border-color:#3ddc97}.ln-code-btn.is-run:hover{background:#62e8ad}.ln-code-pre{font-family:var(--font-mono);color:#e6ebff;tab-size:4;background:0 0;border:0;border-radius:0;margin:0;padding:.9rem 1rem;font-size:.82rem;line-height:1.65;overflow-x:auto}.ln-code code{font-size:inherit;overflow-wrap:normal;background:0 0;border:0;padding:0}.ln-code.is-compact .ln-code-pre{font-size:.78rem}.ln-code-run{border-top:1px solid #2a3150;padding:.6rem}.ln-code-cap{color:#b4bcd8;background:#10152a;border-top:1px solid #222a47;padding:.5rem .9rem .65rem;font-size:.78rem}.tk-kw{color:#ff8fd0;font-weight:600}.tk-str{color:#a5e88a}.tk-com{color:#7f8bb0;font-style:italic}.tk-num{color:#ffc46b}.tk-fn{color:#7cc7ff}.tk-type{color:#6ee7d8}.tk-tag{color:#ff9a7a}.tk-attr{color:#ffd27a}.ln-callout{border:1px solid;border-radius:1rem;gap:.75rem;margin:1rem 0;padding:.85rem 1rem;font-size:.95rem;line-height:1.6;display:flex}.ln-callout-icon{background:color-mix(in srgb, var(--card) 70%, transparent);border-radius:.75rem;flex-shrink:0;place-items:center;width:2.25rem;height:2.25rem;font-size:1.1rem;display:grid}.ln-callout-label{letter-spacing:.07em;text-transform:uppercase;font-size:.72rem;font-weight:800}.ln-callout-text{margin:.1rem 0 0}.ln-callout.is-tip{background:var(--tone-mint);color:var(--tone-mint-on);border-color:color-mix(in srgb, var(--tone-mint-vivid) 40%, transparent)}.ln-callout.is-warn{background:var(--tone-peach);color:var(--tone-peach-on);border-color:color-mix(in srgb, var(--tone-peach-vivid) 45%, transparent)}.ln-callout.is-analogy{background:var(--tone-lavender);color:var(--tone-lavender-on);border-color:color-mix(in srgb, var(--tone-lavender-vivid) 45%, transparent);position:relative}.ln-callout.is-analogy .ln-callout-text{font-size:1rem}.ln-table{border:1px solid var(--border);border-radius:1rem;margin:1rem 0;overflow-x:auto}.ln-table table{border-collapse:collapse;width:100%;font-size:.9rem}.ln-table th{text-align:left;background:color-mix(in srgb, var(--c,var(--brand)) 12%, var(--card));border-bottom:1px solid var(--border);padding:.6rem .8rem;font-weight:800}.ln-table td{vertical-align:top;border-top:1px solid var(--border);padding:.55rem .8rem}.ln-table tr:nth-child(2n) td{background:color-mix(in srgb, var(--surface-muted) 55%, transparent)}.ln-video{--c:#4c6ef5;border:1px solid var(--border);background:var(--card);box-shadow:var(--shadow);outline-offset:3px;border-radius:1.25rem;overflow:hidden}.ln-video.is-compact{border-radius:1rem}.ln-stage{aspect-ratio:16/9;color:#fff;cursor:pointer;isolation:isolate;background:radial-gradient(120% 130% at 0% 0%, color-mix(in srgb, var(--c) 78%, #0b0e1d) 0%, transparent 60%), radial-gradient(90% 120% at 100% 100%, color-mix(in srgb, var(--c) 40%, #3b1d6e) 0%, transparent 55%), #0b0e1d;flex-direction:column;min-height:15.5rem;display:flex;position:relative;overflow:hidden}@container ln-topic (max-width:560px){.ln-stage{aspect-ratio:4/3.4}}.ln-video.is-compact .ln-stage{aspect-ratio:16/8;min-height:14rem}.ln-orb{z-index:-1;filter:blur(40px);opacity:.55;pointer-events:none;border-radius:50%;position:absolute}.ln-orb-a{aspect-ratio:1;background:var(--c-solid,var(--c));width:45%;animation:14s ease-in-out infinite alternate ln-drift;top:-20%;left:-10%}.ln-orb-b{aspect-ratio:1;opacity:.35;background:#22c3ee;width:38%;animation:18s ease-in-out infinite alternate-reverse ln-drift;bottom:-25%;right:-8%}.ln-grid{z-index:-1;pointer-events:none;background-image:linear-gradient(#ffffff0d 1px,#0000 1px),linear-gradient(90deg,#ffffff0d 1px,#0000 1px);background-size:32px 32px;position:absolute;inset:0;-webkit-mask-image:radial-gradient(#000 30%,#0000 80%);mask-image:radial-gradient(#000 30%,#0000 80%)}@keyframes ln-drift{to{transform:translate(18%,14%)scale(1.15)}}.ln-stage-top{letter-spacing:.08em;text-transform:uppercase;color:#ffffffb8;justify-content:space-between;gap:1rem;padding:.7rem 1rem 0;font-size:.7rem;font-weight:700;display:flex}.ln-scene{text-align:center;flex-direction:column;flex:1;justify-content:center;align-items:center;gap:.9rem;min-height:0;padding:.5rem 1.25rem;animation:.52s cubic-bezier(.2,.8,.2,1) both ln-scene-in;display:flex}.ln-scene.has-code{justify-content:center}@keyframes ln-scene-in{0%{opacity:0;filter:blur(4px);transform:translateY(14px)scale(.98)}}.ln-scene-part{letter-spacing:.12em;text-transform:uppercase;color:color-mix(in srgb, var(--c) 45%, #fff);background:#ffffff1a;border-radius:999px;padding:.2rem .6rem;font-size:.7rem;font-weight:800}.ln-scene-head{letter-spacing:-.02em;text-wrap:balance;white-space:pre-line;flex-direction:column;gap:.25rem;max-width:44rem;font-size:clamp(1.15rem,3.6cqi,2.4rem);font-weight:800;line-height:1.2;display:flex}.ln-scene-head.is-small{font-size:clamp(1rem,2.4cqi,1.5rem)}.ln-scene-head>span{opacity:0;transition:opacity .42s,transform .42s cubic-bezier(.2,.8,.2,1);transform:translateY(10px)}.ln-scene-head>span.is-on{opacity:1;transform:none}.ln-video{container-type:inline-size}.ln-scene-code{text-align:left;background:#050814b8;border:1px solid #ffffff1f;border-radius:.9rem;width:min(100%,40rem);max-height:58%;position:relative;overflow:auto;box-shadow:0 20px 40px -20px #000000b3}.ln-scene-code pre{font-family:var(--font-mono);white-space:pre;margin:0;padding:1.6rem 1rem .9rem;font-size:clamp(.72rem,1.9cqi,.95rem);line-height:1.6}.ln-scene-code-lang{letter-spacing:.1em;text-transform:uppercase;color:#ffffff8c;font-size:.62rem;font-weight:800;position:absolute;top:.45rem;left:.8rem}.ln-caret{vertical-align:text-bottom;background:color-mix(in srgb, var(--c) 50%, #fff);width:.55em;height:1.1em;margin-left:1px;animation:1s step-end infinite ln-blink;display:inline-block}.ln-caret.is-typing{animation:none}@keyframes ln-blink{50%{opacity:0}}.ln-scene-title{gap:.6rem}.ln-title-ring{width:3.4rem;height:3.4rem;box-shadow:0 0 0 0 color-mix(in srgb, var(--c) 60%, transparent);background:#ffffff1f;border-radius:50%;place-items:center;font-size:1.1rem;animation:2.2s ease-out infinite ln-ring;display:grid}@keyframes ln-ring{to{box-shadow:0 0 0 22px #0000}}.ln-title-kicker{letter-spacing:.12em;text-transform:uppercase;color:#ffffffbf;font-size:.75rem;font-weight:800;animation:.6s .15s both ln-scene-in}.ln-title-text{letter-spacing:-.03em;text-wrap:balance;max-width:40rem;font-size:clamp(1.4rem,5cqi,3rem);font-weight:800;line-height:1.1;animation:.7s .28s both ln-scene-in}.ln-title-bar{background:linear-gradient(90deg, var(--c), #22c3ee);transform-origin:0;border-radius:4px;width:5rem;height:4px;animation:.9s cubic-bezier(.2,.8,.2,1) .5s both ln-grow}@keyframes ln-grow{0%{transform:scaleX(0)}}.ln-recap-badge{color:#062b1d;background:#3ddc97;border-radius:50%;place-items:center;width:3.2rem;height:3.2rem;font-size:1.4rem;font-weight:900;animation:.6s cubic-bezier(.2,1.5,.4,1) both ln-pop;display:grid}@keyframes ln-pop{0%{opacity:0;transform:scale(.4)}}.ln-recap-text{text-wrap:balance;font-size:clamp(1.1rem,3.6cqi,2rem);font-weight:800}.ln-scene-diagram{justify-content:center;width:100%;display:flex}.ln-dg-flow{flex-wrap:wrap;justify-content:center;align-items:center;gap:.4rem;display:flex}.ln-dg-flow li{align-items:center;gap:.4rem;display:flex}.ln-dg-node{background:#ffffff1f;border:1px solid #ffffff38;border-radius:.85rem;padding:.55rem .95rem;font-size:clamp(1rem,3.4cqi,1.9rem);font-weight:800;display:inline-block;box-shadow:inset 0 1px #ffffff1a}.ln-dg-node.is-wide{max-width:28rem}.ln-dg-arrow{background:color-mix(in srgb, var(--c) 50%, #fff);width:1.8rem;height:2px;position:relative}.ln-dg-arrow:after{content:"";border:5px solid #0000;border-left:7px solid color-mix(in srgb, var(--c) 50%, #fff);border-right:0;position:absolute;top:-4px;right:-1px}:is(.ln-dg-flow li,.ln-dg-chips li,.ln-dg-compare li,.ln-dg-list li,.ln-dg-eq>span,.ln-dg-table thead,.ln-dg-table tr){opacity:0;transition:opacity .38s,transform .42s cubic-bezier(.2,1.3,.4,1);transform:translateY(10px)scale(.96)}:is(.ln-dg-flow li,.ln-dg-chips li,.ln-dg-compare li,.ln-dg-list li,.ln-dg-eq>span,.ln-dg-table thead,.ln-dg-table tr).is-on{opacity:1;transform:none}.ln-dg-chips{flex-wrap:wrap;justify-content:center;gap:.5rem;max-width:40rem;display:flex}.ln-dg-chips li{background:color-mix(in srgb, var(--c) 45%, #ffffff1a);border:1px solid #ffffff40;border-radius:999px;padding:.5rem 1rem;font-size:clamp(.9rem,2.4cqi,1.3rem);font-weight:800}.ln-dg-eq{flex-wrap:wrap;justify-content:center;align-items:center;gap:.6rem;display:flex}.ln-dg-eqsign{color:color-mix(in srgb, var(--c) 40%, #fff);font-size:2rem;font-weight:900}.ln-dg-compare,.ln-dg-list{text-align:left;flex-direction:column;gap:.45rem;width:min(100%,34rem);display:flex}.ln-dg-compare li{background:#ffffff14;border:1px solid #ffffff24;border-radius:.8rem;align-items:center;gap:.6rem;padding:.5rem .8rem;display:flex}.ln-dg-compare code{font-family:var(--font-mono);overflow-wrap:anywhere;font-size:clamp(.8rem,2.2cqi,1.1rem)}.ln-dg-mark{border-radius:50%;flex-shrink:0;place-items:center;width:1.7rem;height:1.7rem;font-weight:900;display:grid}.ln-dg-compare .is-ok .ln-dg-mark{color:#062b1d;background:#3ddc97}.ln-dg-compare .is-bad .ln-dg-mark{color:#3a0a04;background:#ff7a6b}.ln-dg-list li{background:#ffffff12;border-radius:.75rem;padding:.45rem .8rem .45rem 2rem;font-size:clamp(.9rem,2.4cqi,1.25rem);font-weight:700;position:relative}.ln-dg-list li:before{content:"";background:color-mix(in srgb, var(--c) 40%, #fff);border-radius:50%;width:.5rem;height:.5rem;margin-top:-.25rem;position:absolute;top:50%;left:.8rem}.ln-dg-table{background:#05081480;border:1px solid #ffffff2e;border-radius:.8rem;max-width:100%;overflow:auto}.ln-dg-table table{border-collapse:collapse;text-align:left;font-size:clamp(.72rem,1.9cqi,.95rem)}.ln-dg-table th{background:color-mix(in srgb, var(--c) 50%, transparent);padding:.4rem .7rem}.ln-dg-table td{border-top:1px solid #ffffff1a;padding:.35rem .7rem}.ln-caption{text-align:center;color:#ffffffc7;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);background:#0000009e;border-radius:.75rem;margin:0 .75rem .75rem;padding:.5rem .8rem;font-size:clamp(.85rem,2.2cqi,1.05rem);line-height:1.45;position:relative}.ln-caption-said{color:#fff}.ln-overlay{z-index:2;background:radial-gradient(circle,#06081240,#0608128c);flex-direction:column;justify-content:center;align-items:center;gap:.8rem;padding:1rem;animation:.3s both ln-fade;display:flex;position:absolute;inset:0}@keyframes ln-fade{0%{opacity:0}}.ln-poster-title{letter-spacing:-.03em;text-align:center;text-wrap:balance;max-width:40rem;font-size:clamp(1.3rem,4.6cqi,2.6rem);font-weight:800;line-height:1.15}.ln-poster-meta{color:#ffffffc7;font-size:.8rem;font-weight:700}.ln-overlay-title{font-size:1.4rem;font-weight:800}.ln-bigplay{color:#0b0e1d;background:#fff;border-radius:50%;place-items:center;width:4.75rem;height:4.75rem;font-size:1.6rem;transition:transform .16s;animation:2s ease-out infinite ln-ring-white;display:grid;box-shadow:0 0 #ffffff80,0 18px 40px -10px #0009}.ln-bigplay:hover{transform:scale(1.06)}.ln-bigplay span{margin-left:.25rem}@keyframes ln-ring-white{to{box-shadow:0 0 0 20px #fff0,0 18px 40px -10px #0009}}.ln-overlay-btn{color:#fff;background:#ffffff24;border:1px solid #ffffff59;border-radius:999px;min-height:2.75rem;padding:.5rem 1.1rem;font-weight:800}.ln-overlay-btn.is-primary{color:#0b0e1d;background:#fff}.ln-resume{z-index:3;white-space:nowrap;background:#000000b3;border-radius:999px;max-width:calc(100% - 2rem);padding:.3rem .8rem;font-size:.78rem;font-weight:700;position:absolute;bottom:4.6rem;left:50%;transform:translate(-50%)}.ln-resume button{min-height:2rem}.ln-controls{border-top:1px solid var(--border);padding:.35rem .6rem .55rem}.ln-scrub{height:1.9rem;position:relative}.ln-scrub input[type=range]{width:100%;height:100%;position:absolute;inset:0}.ln-scrub input[type=range]::-webkit-slider-runnable-track{background:linear-gradient(90deg, var(--c) var(--p), var(--surface-muted) var(--p));height:6px}.ln-scrub input[type=range]::-moz-range-track{background:var(--surface-muted);height:6px}.ln-scrub input[type=range]::-moz-range-progress{background:var(--c-solid,var(--c));height:6px}.ln-scrub input[type=range]::-webkit-slider-thumb{background:var(--c-solid,var(--c));width:16px;height:16px;box-shadow:0 0 0 4px color-mix(in srgb, var(--c) 25%, transparent);margin-top:-5px}.ln-scrub input[type=range]::-moz-range-thumb{background:var(--c-solid,var(--c));width:16px;height:16px}.ln-scrub-marks{pointer-events:none;height:0;position:absolute;top:50%;left:8px;right:8px}.ln-scrub-marks i{background:var(--text-muted);opacity:.55;border-radius:2px;width:3px;height:10px;margin-left:-1px;position:absolute;top:-5px}.ln-scrub-marks i.is-past{background:var(--card);opacity:.9}.ln-ctrl-row{flex-wrap:wrap;align-items:center;gap:.3rem;display:flex}.ln-ctrl{min-width:2.6rem;min-height:2.6rem;color:var(--text);border-radius:.75rem;place-items:center;padding:0 .5rem;font-size:.95rem;font-weight:800;transition:background-color .14s;display:inline-grid}.ln-ctrl:hover:not(:disabled){background:var(--surface-muted)}.ln-ctrl:disabled{opacity:.4}.ln-ctrl.is-play{color:#fff;background:var(--c-solid,var(--c));min-width:3rem;box-shadow:0 8px 18px -8px var(--c);border-radius:999px}.ln-ctrl.is-play:hover:not(:disabled){background:var(--c-solid,var(--c))}.ln-ctrl.is-text{letter-spacing:.04em;border:1px solid var(--border-strong);font-size:.72rem}.ln-ctrl.is-text.is-on{color:var(--btn-ink);background:var(--text);border-color:var(--text)}.ln-time{font-variant-numeric:tabular-nums;color:var(--text-muted);white-space:nowrap;padding:0 .35rem;font-size:.78rem;font-weight:700}.ln-select select{border:1px solid var(--border-strong);background:var(--field);max-width:11rem;min-height:2.6rem;color:var(--text);border-radius:.75rem;padding:0 .5rem;font-size:.8rem;font-weight:700}.ln-select.is-voice select{max-width:9.5rem}.ln-note{color:var(--text-muted);margin-top:.3rem;font-size:.75rem}.ln-chapters{border-top:1px solid var(--border);scrollbar-width:thin;overflow-x:auto}.ln-chapters ol{gap:.4rem;width:max-content;padding:.6rem;display:flex}.ln-chapter{border:1px solid var(--border);background:var(--card);text-align:left;border-radius:.8rem;align-items:center;gap:.5rem;max-width:15rem;min-height:2.75rem;padding:.35rem .75rem .35rem .4rem;font-size:.8rem;font-weight:700;transition:border-color .14s,background-color .14s;display:flex}.ln-chapter:hover{border-color:color-mix(in srgb, var(--c) 55%, var(--border))}.ln-chapter.is-on{border-color:var(--c);background:color-mix(in srgb, var(--c) 12%, var(--card))}.ln-chapter-n{background:var(--surface-muted);border-radius:.55rem;flex-shrink:0;place-items:center;width:1.7rem;height:1.7rem;font-size:.72rem;display:grid}.ln-chapter.is-on .ln-chapter-n{color:#fff;background:var(--c-solid,var(--c))}.ln-chapter.is-past .ln-chapter-n{color:var(--tone-mint-on);background:var(--tone-mint)}.ln-chapter-t{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.ln-chapter-d{white-space:nowrap;font-variant-numeric:tabular-nums;color:var(--text-muted);font-size:.7rem}.ln-keys{color:var(--text-muted);padding:0 .8rem .6rem;font-size:.72rem}@container (max-width:520px){.ln-keys{display:none}.ln-time{font-size:.7rem}}.ln-video:fullscreen{background:#05070f;border-radius:0;flex-direction:column;display:flex}.ln-video:fullscreen .ln-stage{aspect-ratio:auto;flex:1}.ln-video:fullscreen .ln-controls,.ln-video:fullscreen .ln-chapters,.ln-video:fullscreen .ln-keys{background:var(--card)}.ln-topic{--c:var(--brand);flex-direction:column;gap:1rem;display:flex;container:ln-topic/inline-size}.ln-short{border:1px solid color-mix(in srgb, var(--c) 30%, var(--border));background:linear-gradient(135deg, color-mix(in srgb, var(--c) 10%, var(--card)), var(--card) 60%);box-shadow:var(--shadow-flat);border-radius:1.25rem;gap:.9rem;padding:1rem 1.1rem;display:flex}.ln-short-icon{color:#fff;background:var(--c-solid,var(--c));border-radius:.85rem;flex-shrink:0;place-items:center;width:2.5rem;height:2.5rem;display:grid}.ln-short-label{letter-spacing:.08em;text-transform:uppercase;color:var(--text-muted);font-size:.72rem;font-weight:800}.ln-short-text{margin-top:.15rem;font-size:1.02rem;line-height:1.6}.ln-short-meta{flex-wrap:wrap;gap:.35rem;margin-top:.6rem;display:flex}.ln-short-meta span{background:var(--surface-muted);color:var(--text-muted);border-radius:999px;padding:.15rem .6rem;font-size:.72rem;font-weight:700}@container ln-topic (max-width:560px){.ln-short{padding:.85rem .9rem}.ln-short-icon{display:none}.ln-short-text{font-size:.95rem;line-height:1.55}.ln-short-meta span:nth-child(n+4):not(.is-done){display:none}}.ln-short-meta span.is-done{background:var(--tone-mint);color:var(--tone-mint-on)}.ln-stepbar{top:calc(var(--shell-top,0px) + .5rem);z-index:15;position:sticky}.ln-stepbar-inner{border:1px solid var(--border);background:var(--card);box-shadow:var(--shadow);border-radius:1.1rem;flex-direction:column;gap:.3rem;padding:.45rem .55rem .5rem;display:flex}.ln-steps{justify-content:space-between;gap:.25rem;display:flex;position:relative}.ln-step{min-width:0;min-height:2.75rem;color:var(--text-muted);border-radius:.8rem;flex:1 1 0;justify-content:center;align-items:center;gap:.45rem;padding:.25rem .35rem;font-size:.85rem;font-weight:700;transition:background-color .16s,color .16s;display:flex;position:relative}.ln-step:hover{color:var(--text);background:var(--surface-muted)}.ln-step.is-on{color:var(--text);background:color-mix(in srgb, var(--c) 13%, var(--card))}.ln-step-dot{border:2px solid var(--border-strong);background:var(--card);border-radius:50%;flex-shrink:0;place-items:center;width:1.85rem;height:1.85rem;font-size:.75rem;font-weight:900;transition:border-color .2s,background-color .2s,transform .2s;display:grid;position:relative}.ln-step.is-done .ln-step-dot{border-color:var(--tone-mint-vivid);background:var(--tone-mint);color:var(--tone-mint-on)}.ln-step.is-on .ln-step-dot{border-color:var(--c);background:var(--c-solid,var(--c));color:#fff;box-shadow:0 0 0 4px color-mix(in srgb, var(--c) 22%, transparent);transform:scale(1.08)}.ln-step-label{white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.ln-step-n{display:none}@container ln-topic (max-width:860px){.ln-step:not(.is-on) .ln-step-label{display:none}}@container ln-topic (max-width:560px){.ln-step .ln-step-label{display:none}.ln-step{padding:.25rem .1rem}}.ln-stepbar-meta{align-items:center;gap:.6rem;padding:0 .15rem;display:flex}.ln-stepbar-now{white-space:nowrap;font-size:.75rem;font-weight:800}.ln-stepbar-track{background:var(--surface-muted);border-radius:999px;flex:1;height:5px;overflow:hidden}.ln-stepbar-track span{background:linear-gradient(90deg, var(--c), var(--tone-mint-vivid));border-radius:999px;height:100%;transition:width .5s cubic-bezier(.2,.8,.2,1);display:block}.ln-stepbar-arrows{gap:.2rem;display:flex}.ln-arrow{border:1px solid var(--border);border-radius:.7rem;place-items:center;width:2.5rem;height:2.5rem;font-weight:900;display:grid}.ln-arrow:hover:not(:disabled){background:var(--surface-muted)}.ln-arrow:disabled{opacity:.4}.ln-topic-grid{grid-template-columns:minmax(0,1fr);gap:1.5rem;display:grid}@container ln-topic (min-width:980px){.ln-topic-grid{grid-template-columns:minmax(0,1fr) 18.5rem}.ln-rail{top:calc(var(--shell-top,0px) + 8.25rem);align-self:start;position:sticky}}.ln-panel{animation:.38s cubic-bezier(.2,.8,.2,1) both ln-panel-in}@keyframes ln-panel-in{0%{opacity:0;transform:translateY(8px)}}.ln-panel-kicker{letter-spacing:.08em;text-transform:uppercase;color:color-mix(in srgb, var(--c) 70%, var(--text));font-size:.72rem;font-weight:800}[data-theme=dark] .ln-panel-kicker{color:color-mix(in srgb, var(--c) 45%, #fff)}.ln-panel-title{letter-spacing:-.02em;outline:none;margin:.15rem 0 .9rem;font-size:clamp(1.35rem,3vw,1.75rem);font-weight:800;line-height:1.2}.ln-panel-intro{margin:-.4rem 0 1rem}.ln-panel-nav{border-top:1px dashed var(--border-strong);justify-content:space-between;gap:.75rem;margin-top:1.5rem;padding-top:1rem;display:flex}.ln-watch-foot{gap:1rem;margin-top:1rem;display:grid}.ln-watch-list{flex-wrap:wrap;gap:.4rem;margin-top:.5rem;display:flex}.ln-watch-list button{border:1px solid var(--border);background:var(--card);text-align:left;border-radius:999px;align-items:center;gap:.45rem;min-height:2.5rem;padding:.25rem .75rem .25rem .3rem;font-size:.82rem;font-weight:700;display:inline-flex}.ln-watch-list button:hover{border-color:var(--c)}.ln-watch-n{background:var(--surface-muted);border-radius:50%;flex-shrink:0;place-items:center;width:1.75rem;height:1.75rem;font-size:.72rem;display:grid}.ln-yt{background:var(--surface-muted);border-radius:.9rem;padding:.75rem .9rem;font-size:.875rem}.ln-depth{border:1px solid var(--border);background:var(--card);border-radius:999px;gap:3px;padding:3px;display:inline-flex}.ln-depth button{min-height:2.5rem;color:var(--text-muted);border-radius:999px;padding:0 1rem;font-size:.85rem;font-weight:700}.ln-depth button.is-on{color:#fff;background:var(--c-solid,var(--c))}.ln-explain{grid-template-columns:minmax(0,1fr);gap:1rem;display:grid}@container ln-topic (min-width:720px){.ln-explain{grid-template-columns:14rem minmax(0,1fr);align-items:start}.ln-toc{top:calc(var(--shell-top,0px) + 8.25rem);position:sticky}}.ln-toc{border:1px solid var(--border);background:var(--card);border-radius:1rem;padding:.75rem}.ln-toc-title{letter-spacing:.08em;text-transform:uppercase;color:var(--text-muted);padding:0 .3rem .4rem;font-size:.72rem;font-weight:800}.ln-toc ol{flex-direction:column;gap:.15rem;display:flex}@container ln-topic (max-width:719px){.ln-toc ol{flex-direction:row;padding-bottom:.25rem;overflow-x:auto}.ln-toc li{flex-shrink:0;max-width:14rem}}.ln-toc button{text-align:left;width:100%;min-height:2.5rem;color:var(--text-muted);border-radius:.7rem;align-items:flex-start;gap:.5rem;padding:.4rem .45rem;font-size:.83rem;font-weight:600;line-height:1.35;display:flex}.ln-toc button:hover{color:var(--text);background:var(--surface-muted)}.ln-toc button.is-on{color:var(--text);background:color-mix(in srgb, var(--c) 12%, var(--card));font-weight:800}.ln-toc-n{background:var(--surface-muted);border-radius:50%;flex-shrink:0;place-items:center;width:1.45rem;height:1.45rem;font-size:.7rem;font-weight:800;display:grid}.ln-toc button.is-on .ln-toc-n{color:#fff;background:var(--c-solid,var(--c))}.ln-toc button.is-past .ln-toc-n{color:var(--tone-mint-on);background:var(--tone-mint)}.ln-toc-progress{background:var(--surface-muted);border-radius:4px;height:4px;margin:.6rem .3rem 0;display:block;overflow:hidden}.ln-toc-progress span{background:var(--c-solid,var(--c));height:100%;transition:width .4s;display:block}.ln-section{scroll-margin-top:calc(var(--shell-top,0px) + 9.75rem);border:1px solid var(--border);background:var(--card);box-shadow:var(--shadow);border-radius:1.25rem;padding:1.1rem 1.2rem 1rem;animation:.42s cubic-bezier(.2,.8,.2,1) both ln-card-in}@keyframes ln-card-in{0%{opacity:0;transform:translate(14px)}}.ln-section-head{border-bottom:1px solid var(--border);flex-direction:column;align-items:flex-start;gap:.35rem;margin-bottom:.75rem;padding-bottom:.8rem;display:flex}.ln-section-count{letter-spacing:.06em;text-transform:uppercase;color:var(--text-muted);font-size:.72rem;font-weight:800}.ln-section-title{font-size:clamp(1.2rem,2.6vw,1.45rem);font-weight:800;line-height:1.25}.ln-section-video{color:#fff;background:var(--c-solid,var(--c));min-height:2.5rem;box-shadow:0 8px 18px -10px var(--c);border-radius:999px;align-items:center;gap:.45rem;margin-top:.2rem;padding:0 .9rem;font-size:.8rem;font-weight:800;display:inline-flex}.ln-section-video.is-on{color:var(--text);background:var(--surface-muted);box-shadow:none}.ln-section-body .prose{font-size:1rem}.ln-section-foot{border-top:1px solid var(--border);flex-wrap:wrap;justify-content:space-between;gap:.6rem;margin-top:1rem;padding-top:.8rem;display:flex}.ln-section-foot .btn-primary{white-space:normal;max-width:100%}.ln-quick{border:1px solid var(--border);background:var(--card);border-radius:1.25rem;padding:1.2rem}.ln-quick-text{font-size:1.1rem;line-height:1.65}.ln-quick-list{margin-top:.4rem;padding-left:1.2rem;font-size:.92rem;list-style:decimal}.ln-example{border:1px solid color-mix(in srgb, var(--tone-aqua-vivid) 35%, var(--border));background:linear-gradient(135deg, var(--tone-aqua), var(--card) 75%);border-radius:1.25rem;gap:1rem;padding:1.2rem;display:flex}.ln-example-icon{width:3rem;height:3rem;color:var(--tone-aqua-on);background:var(--card);border-radius:1rem;flex-shrink:0;place-items:center;display:grid}.ln-example-text{white-space:pre-line;font-size:1.02rem;line-height:1.7}@container ln-topic (max-width:480px){.ln-example{flex-direction:column}}.ln-q{border:1px solid var(--border);background:var(--card);box-shadow:var(--shadow-flat);border-radius:1.1rem;padding:1rem}.ln-q-n{color:#fff;background:var(--c-solid,var(--c));vertical-align:.1em;border-radius:.5rem;place-items:center;width:1.6rem;height:1.6rem;margin-right:.5rem;font-size:.78rem;font-weight:900;display:inline-grid}.ln-opt{border:1px solid var(--border);cursor:pointer;border-radius:.85rem;align-items:flex-start;gap:.55rem;min-height:2.75rem;padding:.55rem .75rem;font-size:.92rem;transition:border-color .14s,background-color .14s;display:flex}.ln-opt:hover{border-color:var(--c)}.ln-opt input{accent-color:var(--c)}.ln-opt-letter{background:var(--surface-muted);border-radius:.4rem;flex-shrink:0;place-items:center;width:1.4rem;height:1.4rem;font-size:.72rem;font-weight:800;display:grid}.ln-opt.is-on{border-color:var(--c);background:color-mix(in srgb, var(--c) 9%, var(--card))}.ln-opt.is-right{border-color:var(--tone-mint-vivid);background:var(--tone-mint);color:var(--tone-mint-on)}.ln-opt.is-wrong{border-color:var(--tone-coral-vivid);background:var(--tone-coral);color:var(--tone-coral-on)}.ln-opt.is-dim{opacity:.75}.ln-quiz-progress{gap:.3rem;display:flex}.ln-quiz-progress span{background:var(--surface-muted);border-radius:6px;flex:1;height:6px;transition:background-color .2s}.ln-quiz-progress span.is-on{background:var(--c-solid,var(--c))}.ln-quiz-progress span.is-right{background:var(--tone-mint-vivid)}.ln-quiz-progress span.is-wrong{background:var(--tone-coral-vivid)}.ln-quiz-result{border-radius:1rem;flex-wrap:wrap;align-items:center;gap:.4rem 1rem;padding:.9rem 1rem;animation:.42s cubic-bezier(.2,1.3,.4,1) both ln-pop;display:flex}.ln-quiz-result.is-pass{background:var(--tone-mint);color:var(--tone-mint-on)}.ln-quiz-result.is-fail{background:var(--tone-coral);color:var(--tone-coral-on)}.ln-finish{border:1px solid var(--border);background:var(--card);box-shadow:var(--shadow);border-radius:1.2rem;flex-wrap:wrap;align-items:center;gap:.8rem;padding:1rem 1.1rem;display:flex}.ln-finish.is-done{border-color:color-mix(in srgb, var(--tone-mint-vivid) 50%, var(--border));background:linear-gradient(135deg, var(--tone-mint), var(--card) 70%)}.ln-resource{align-items:center;min-height:2.5rem;font-weight:600;text-decoration:underline;display:inline-flex}.ln-rail{flex-direction:column;gap:1rem;min-width:0;display:flex}.ln-rail-card{border:1px solid var(--border);background:var(--card);box-shadow:var(--shadow-flat);border-radius:1.25rem;padding:.9rem}.ln-rail-steps{flex-direction:column;gap:.1rem;margin-top:.4rem;display:flex}.ln-rail-steps button{text-align:left;border-radius:.7rem;align-items:center;gap:.55rem;width:100%;min-height:2.5rem;padding:.2rem .4rem;font-size:.875rem;font-weight:600;display:flex}.ln-rail-steps button:hover{background:var(--surface-muted)}.ln-rail-steps .is-on button{background:color-mix(in srgb, var(--c) 10%, var(--card));font-weight:800}.ln-rail-dot{border:2px solid var(--border-strong);border-radius:50%;flex-shrink:0;place-items:center;width:1.5rem;height:1.5rem;font-size:.7rem;font-weight:800;display:grid}.ln-rail-steps .is-done .ln-rail-dot{border-color:var(--tone-mint-vivid);background:var(--tone-mint);color:var(--tone-mint-on)}.ln-rail-steps .is-on .ln-rail-dot{border-color:var(--c)}.ln-topic-nav{grid-template-columns:repeat(auto-fit,minmax(min(100%,16rem),1fr));gap:.75rem;margin-top:.5rem;display:grid}.ln-topic-link{border:1px solid var(--border);background:var(--card);border-radius:1rem;flex-direction:column;gap:.15rem;min-height:2.75rem;padding:.8rem 1rem;transition:border-color .16s,transform .16s;display:flex}.ln-topic-link:hover{border-color:var(--c);transform:translateY(-1px)}.ln-topic-link.is-next{text-align:right}.ln-panels{scroll-margin-top:calc(var(--shell-top,0px) + 9.75rem)}@media print{.rm-js [data-rm-item],.cat-js [data-reveal]{opacity:1!important;transform:none!important}}
.ln-course-hero{--c:var(--brand);border:1px solid color-mix(in srgb, var(--c) 30%, var(--border));background:radial-gradient(80% 140% at 0% 0%, color-mix(in srgb, var(--c) 16%, transparent), transparent 70%), var(--card);box-shadow:var(--shadow);border-radius:1.5rem;grid-template-columns:auto minmax(0,1fr);align-items:center;gap:1rem;padding:1rem;display:grid}.ln-course-icon{color:#fff;background:linear-gradient(135deg, var(--c-solid,var(--c)), var(--c));width:3.5rem;height:3.5rem;box-shadow:0 12px 24px -12px var(--c);border-radius:1.1rem;place-items:center;display:grid}.ln-course-stats{flex-wrap:wrap;gap:.4rem;display:flex}.ln-course-stats li{background:var(--surface-muted);border-radius:999px;padding:.3rem .75rem;font-size:.82rem}.ln-course-stats strong{font-weight:900}.ln-course-hero .rm-start{grid-column:1/-1}.rm-start{border-top:1px solid var(--border);flex-wrap:wrap;align-items:center;gap:.9rem;padding-top:.9rem;display:flex}.rm-ring{--share:0;background:conic-gradient(var(--c) calc(var(--share) * 360deg), var(--surface-muted) 0);border-radius:50%;flex-shrink:0;place-items:center;width:3.4rem;height:3.4rem;display:grid}.rm-ring span{background:var(--card);border-radius:50%;place-items:center;width:2.65rem;height:2.65rem;font-size:.78rem;font-weight:900;display:grid}.ln-side-card{border:1px solid var(--border);background:var(--card);box-shadow:var(--shadow-flat);border-radius:1.25rem;padding:1.1rem 1.2rem}.ln-outcomes{flex-direction:column;gap:.4rem;margin-top:.5rem;font-size:.9rem;display:flex}.ln-outcomes li{padding-left:1.6rem;position:relative}.ln-outcomes li:before{content:"✓";width:1.15rem;height:1.15rem;color:var(--tone-mint-on);background:var(--tone-mint);border-radius:50%;place-items:center;font-size:.65rem;font-weight:900;display:grid;position:absolute;top:.1rem;left:0}.ln-cert-mini{color:#1f2328;text-align:center;background:linear-gradient(135deg,#fffdf5,#fff6dc);border:4px double #c9a227;border-radius:.9rem;margin-top:.75rem;padding:1rem 1rem 1.1rem;position:relative}.ln-cert-mini-k{letter-spacing:.2em;text-transform:uppercase;color:#7a5f12;font-size:.6rem;font-weight:800}.ln-cert-mini-name{margin-top:.4rem;font-family:Georgia,serif;font-size:1.3rem;font-weight:700}.ln-cert-mini-c{font-size:.8rem;font-weight:700}.ln-cert-mini-seal{color:#fff;background:#b08a16;border-radius:50%;place-items:center;width:1.9rem;height:1.9rem;font-weight:900;display:grid;position:absolute;bottom:.5rem;right:.6rem}.rm{--c:var(--brand);border:1px solid var(--border);background:radial-gradient(70% 40% at 50% 0%, color-mix(in srgb, var(--c) 9%, transparent), transparent 70%), var(--card);box-shadow:var(--shadow);border-radius:1.5rem;padding:1.1rem;container:rm/inline-size}@container kk-main (min-width:640px){.rm{padding:1.4rem 1.5rem}}.rm-head{flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:.9rem 1.5rem;margin-bottom:.75rem;display:flex}.rm-eyebrow{letter-spacing:.08em;text-transform:uppercase;color:var(--text-muted);font-size:.72rem;font-weight:800}.rm-title{letter-spacing:-.02em;font-size:clamp(1.3rem,3vw,1.65rem);font-weight:800}.rm-sub{color:var(--text-muted);margin-top:.2rem;font-size:.875rem}.rm-sub strong{color:var(--text)}.rm-pace{flex-direction:column;gap:.25rem;display:flex}.rm-pace-label{color:var(--text-muted);font-size:.72rem;font-weight:700}.rm-path,.rm-modules{flex-direction:column;display:flex}.rm-road{pointer-events:none;height:3.5rem;position:relative}.rm-road svg{width:100%;height:100%;position:absolute;inset:0;overflow:visible}.rm-road-base{fill:none;stroke:var(--surface-muted);stroke-width:14px;stroke-linecap:round}[data-theme=dark] .rm-road-base{stroke:#232742}.rm-road-dash{fill:none;stroke:var(--border-strong);stroke-width:2px;stroke-dasharray:5 7}.rm-road-fill{fill:none;stroke:var(--c);stroke-width:6px;stroke-linecap:round;stroke-dasharray:1;stroke-dashoffset:0;transition:stroke-dashoffset .9s cubic-bezier(.4,0,.2,1)}.rm-js .rm-road:has(+[data-rm-item]:not([data-in])) .rm-road-fill{stroke-dashoffset:1px}.rm-road-narrow{display:none}@container rm (max-width:600px){.rm-road-wide{display:none}.rm-road-narrow{display:block}}[data-rm-item]{transition:opacity .6s,transform .65s cubic-bezier(.2,.8,.2,1)}.rm-js [data-rm-item]:not([data-in]){opacity:0;transform:translateY(26px)scale(.98)}.rm-milestone{border:2px solid color-mix(in srgb, var(--c) 35%, var(--border));background:linear-gradient(135deg, color-mix(in srgb, var(--c) 12%, var(--card)), var(--card));border-radius:1.4rem;align-items:flex-start;gap:.9rem;width:min(100%,34rem);margin-inline:auto;padding:.9rem 1.1rem;display:flex;position:relative}.rm-milestone.is-done{border-color:var(--tone-mint-vivid)}.rm-milestone.is-final{border-style:dashed}.rm-milestone-mark{background:var(--card);width:2.8rem;height:2.8rem;box-shadow:var(--shadow-flat);border-radius:.95rem;flex-shrink:0;place-items:center;font-size:1.35rem;display:grid}.rm-milestone-title{flex-wrap:wrap;align-items:baseline;gap:.25rem .6rem;font-size:1.15rem;font-weight:800;display:flex}.rm-milestone-weeks{color:var(--text-muted);font-size:.75rem;font-weight:700}.rm-milestone-sum{color:var(--text-muted);margin-top:.15rem;font-size:.86rem}.rm-milestone-meta{margin-top:.35rem;font-size:.75rem;font-weight:800}.rm-module{flex-direction:column;display:flex}.rm-card{border:1px solid var(--border);background:var(--card);width:62%;box-shadow:var(--shadow);border-radius:1.25rem;transition:opacity .6s,transform .65s cubic-bezier(.2,.8,.2,1),box-shadow .2s,border-color .2s,width .3s;position:relative}.rm-module.is-left .rm-card{margin-right:auto}.rm-module.is-right .rm-card{margin-left:auto}.rm-module.is-open .rm-card{width:100%}@container rm (max-width:600px){.rm-card{width:100%}}.rm-card:hover{border-color:color-mix(in srgb, var(--c) 50%, var(--border));box-shadow:var(--shadow-lift)}.rm-module.is-current .rm-card{border-color:var(--c);box-shadow:0 0 0 3px color-mix(in srgb, var(--c) 22%, transparent), var(--shadow-lift)}.rm-module.is-done .rm-card{border-color:color-mix(in srgb, var(--tone-mint-vivid) 55%, var(--border))}.rm-node{z-index:1;width:2.7rem;height:2.7rem;color:var(--text-muted);border:3px solid var(--border-strong);background:var(--card);border-radius:50%;place-items:center;margin-left:-1.35rem;font-size:.95rem;font-weight:900;display:grid;position:absolute;top:-1.35rem;left:50%}.rm-module.is-left.is-open .rm-node{left:31%}.rm-module.is-right.is-open .rm-node{left:69%}@container rm (max-width:600px){.rm-module.is-left.is-open .rm-node,.rm-module.is-right.is-open .rm-node{left:50%}}.rm-module.is-done .rm-node{color:var(--tone-mint-on);border-color:var(--tone-mint-vivid);background:var(--tone-mint)}.rm-module.is-current .rm-node{color:#fff;border-color:var(--c);background:var(--c-solid,var(--c));animation:2.2s ease-out infinite rm-glow}@keyframes rm-glow{0%{box-shadow:0 0 0 0 color-mix(in srgb, var(--c) 55%, transparent)}to{box-shadow:0 0 0 16px #0000}}.rm-card-btn{text-align:left;border-radius:1.25rem;flex-direction:column;gap:.3rem;width:100%;padding:1.6rem 1.1rem .9rem;display:flex}.rm-card-top{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.3rem .6rem;display:flex}.rm-card-kicker{letter-spacing:.05em;text-transform:uppercase;color:color-mix(in srgb, var(--c) 65%, var(--text));font-size:.72rem;font-weight:800}[data-theme=dark] .rm-card-kicker{color:color-mix(in srgb, var(--c) 40%, #fff)}.rm-here,.rm-donetag{border-radius:999px;padding:.12rem .55rem;font-size:.68rem;font-weight:800}.rm-here{color:#fff;background:var(--c-solid,var(--c))}.rm-donetag{color:var(--tone-mint-on);background:var(--tone-mint)}.rm-card-title{font-size:1.08rem;font-weight:800;line-height:1.3}.rm-card-sum{-webkit-line-clamp:2;color:var(--text-muted);-webkit-box-orient:vertical;font-size:.85rem;display:-webkit-box;overflow:hidden}.rm-module.is-open .rm-card-sum{-webkit-line-clamp:unset}.rm-card-stats{flex-wrap:wrap;gap:.3rem;margin-top:.15rem;display:flex}.rm-card-stats span{background:var(--surface-muted);border-radius:999px;padding:.1rem .5rem;font-size:.7rem;font-weight:700}.rm-card-bar{background:var(--surface-muted);border-radius:5px;height:5px;margin-top:.35rem;display:block;overflow:hidden}.rm-card-bar span{background:linear-gradient(90deg, var(--c), var(--tone-mint-vivid));border-radius:5px;height:100%;display:block}.rm-card-more{color:var(--text-muted);justify-content:space-between;align-items:center;gap:.5rem;font-size:.75rem;font-weight:700;display:flex}.rm-chevron{background:var(--surface-muted);border-radius:50%;flex-shrink:0;place-items:center;width:1.8rem;height:1.8rem;font-size:.9rem;transition:transform .25s;display:grid}.rm-module.is-open .rm-chevron{transform:rotate(180deg)}.rm-panel{visibility:hidden;grid-template-rows:0fr;transition:grid-template-rows .38s cubic-bezier(.2,.8,.2,1),visibility 0s .38s;display:grid}.rm-module.is-open .rm-panel{visibility:visible;grid-template-rows:1fr;transition:grid-template-rows .38s cubic-bezier(.2,.8,.2,1)}.rm-panel-inner{flex-direction:column;gap:.6rem;min-height:0;padding:0 1rem;display:flex;overflow:hidden}.rm-module.is-open .rm-panel-inner{padding-bottom:1rem}.rm-topics{border-top:1px dashed var(--border-strong);flex-direction:column;gap:.2rem;padding-top:.6rem;display:flex}.rm-topic{border-radius:.8rem;align-items:flex-start;gap:.65rem;min-height:2.75rem;padding:.5rem .55rem;transition:background-color .14s;display:flex}.rm-topic:hover{background:var(--surface-muted)}.rm-topic-dot{border:2px solid var(--border-strong);border-radius:50%;flex-shrink:0;place-items:center;width:1.6rem;height:1.6rem;margin-top:.05rem;font-size:.7rem;font-weight:800;display:grid}.rm-topic.is-done .rm-topic-dot{color:var(--tone-mint-on);border-color:var(--tone-mint-vivid);background:var(--tone-mint)}.rm-topic.is-next{background:color-mix(in srgb, var(--c) 10%, var(--card))}.rm-topic.is-next .rm-topic-dot{color:#fff;border-color:var(--c);background:var(--c-solid,var(--c))}.rm-topic-title{font-size:.92rem;font-weight:700;display:block}.rm-topic-short{-webkit-line-clamp:2;color:var(--text-muted);-webkit-box-orient:vertical;font-size:.78rem;display:-webkit-box;overflow:hidden}.rm-topic-min{color:var(--text-muted);flex-direction:column;flex-shrink:0;align-items:flex-end;gap:.2rem;font-size:.72rem;font-weight:700;display:flex}.rm-upnext{color:#fff;background:var(--c-solid,var(--c));border-radius:999px;padding:.05rem .45rem;font-size:.65rem;font-weight:800}.rm-exam{border:1px solid var(--border);background:color-mix(in srgb, var(--tone-butter) 55%, var(--card));border-radius:.9rem;align-items:center;gap:.7rem;min-height:2.75rem;padding:.65rem .8rem;transition:border-color .14s;display:flex}.rm-exam:hover{border-color:var(--tone-butter-vivid)}.rm-exam.is-passed{background:color-mix(in srgb, var(--tone-mint) 60%, var(--card))}.rm-exam-icon{font-size:1.2rem}.rm-foot{color:var(--text-muted);margin-top:.9rem;font-size:.8rem}
.lh{grid-template-columns:minmax(0,1fr);align-items:center;gap:1.5rem;padding-bottom:.5rem;display:grid}@container kk-main (min-width:900px){.lh{grid-template-columns:minmax(0,1.25fr) minmax(0,1fr)}}.lh-title{letter-spacing:-.04em;text-wrap:balance;margin-top:.4rem;font-size:clamp(2rem,5.5vw,3.4rem);font-weight:800;line-height:1.05}.lh-intro{max-width:38rem;color:var(--text-muted);margin-top:.8rem;font-size:1.05rem;line-height:1.6}.lh-actions{flex-wrap:wrap;gap:.6rem;margin-top:1.2rem;display:flex}.lh-stats{color:var(--text-muted);flex-wrap:wrap;gap:.5rem 1.4rem;margin-top:1.3rem;font-size:.9rem;display:flex}.lh-stats strong{color:var(--text);font-size:1.5rem;font-weight:900;line-height:1.1;display:block}.lh-art{aspect-ratio:320/260;width:100%;max-width:26rem;margin-inline:auto;position:relative}@container kk-main (max-width:640px){.lh-art{display:none}}.lh-path{width:100%;height:100%;position:absolute;inset:0;overflow:visible}.lh-path path{fill:none;stroke:color-mix(in srgb, var(--brand) 18%, var(--border));stroke-width:16px;stroke-linecap:round}.lh-path .lh-path-run{stroke:var(--brand);stroke-width:5px;stroke-dasharray:1;stroke-dashoffset:1px;animation:2.6s cubic-bezier(.6,0,.2,1) .3s forwards lh-draw}@keyframes lh-draw{to{stroke-dashoffset:0}}.lh-stop{background:var(--card);border:1px solid var(--border);box-shadow:var(--shadow);white-space:nowrap;border-radius:999px;padding:.3rem .7rem;font-size:.75rem;font-weight:800;animation:.6s cubic-bezier(.2,1.4,.4,1) both lh-pop;position:absolute}.lh-stop.is-a{animation-delay:.4s;top:80%;left:2%}.lh-stop.is-b{animation-delay:1.3s;top:46%;left:34%}.lh-stop.is-c{color:#fff;background:var(--grad-btn);border-color:#0000;animation-delay:2.2s;top:2%;right:0}[data-theme=dark] .lh-stop.is-c{color:#07080c}@keyframes lh-pop{0%{opacity:0;transform:scale(.5)}}.lh-badge{color:#fff;background:linear-gradient(135deg, var(--c-solid,var(--c)), var(--c));width:2.9rem;height:2.9rem;box-shadow:0 14px 26px -12px var(--c);border-radius:.95rem;place-items:center;animation:6s ease-in-out infinite alternate lh-float;display:grid;position:absolute}.lh-badge.is-0{top:30%;left:8%}.lh-badge.is-1{animation-delay:-1.5s;top:70%;left:58%}.lh-badge.is-2{animation-delay:-3s;top:4%;left:22%}.lh-badge.is-3{animation-delay:-4.5s;top:40%;left:80%}.lh-badge.is-4{animation-delay:-2s;top:14%;left:60%}.lh-badge.is-5{animation-delay:-5s;top:80%;left:84%}@keyframes lh-float{to{transform:translateY(-12px)rotate(-4deg)}}.cat-filters{flex-wrap:wrap;gap:.4rem;display:flex}.cat-chip{border:1px solid var(--border);background:var(--card);border-radius:999px;align-items:center;gap:.45rem;min-height:2.5rem;padding:0 .6rem 0 .95rem;font-size:.875rem;font-weight:700;transition:border-color .14s,background-color .14s,color .14s;display:inline-flex}.cat-chip:hover{border-color:color-mix(in srgb, var(--brand) 55%, var(--border))}.cat-chip.is-on{color:var(--bg);background:var(--text);border-color:var(--text)}.cat-chip-n{background:var(--surface-muted);min-width:1.6rem;height:1.6rem;color:var(--text);border-radius:999px;place-items:center;padding:0 .35rem;font-size:.72rem;display:grid}.cat-chip.is-on .cat-chip-n{background:color-mix(in srgb, var(--bg) 22%, transparent);color:var(--bg)}.cat-grid{grid-template-columns:repeat(auto-fill,minmax(min(100%,17.5rem),1fr));gap:1rem;display:grid}.cat-card{--c:var(--brand);border:1px solid var(--border);background:var(--card);min-width:0;box-shadow:var(--shadow);border-radius:1.4rem;flex-direction:column;gap:.45rem;padding:1.1rem 1.1rem 1rem;transition:transform .2s cubic-bezier(.2,.8,.2,1),box-shadow .2s,border-color .2s,opacity .5s;display:flex;position:relative;overflow:hidden}.cat-card:before{content:"";background:radial-gradient(120% 120% at 0% 0%, color-mix(in srgb, var(--c) 22%, transparent), transparent 70%);pointer-events:none;height:5.2rem;position:absolute;inset:0 0 auto}.cat-card:hover{border-color:color-mix(in srgb, var(--c) 55%, var(--border));box-shadow:var(--shadow-lift);transform:translateY(-3px)}.cat-card-top{justify-content:space-between;align-items:center;gap:.5rem;display:flex;position:relative}.cat-icon{color:#fff;background:linear-gradient(135deg, var(--c-solid,var(--c)), var(--c));width:2.9rem;height:2.9rem;box-shadow:0 10px 20px -10px var(--c);border-radius:.95rem;flex-shrink:0;place-items:center;transition:transform .3s cubic-bezier(.2,1.4,.4,1);display:grid}.cat-card:hover .cat-icon{transform:rotate(-6deg)scale(1.06)}.cat-icon.is-small{border-radius:.8rem;width:2.5rem;height:2.5rem}.cat-levels{background:var(--card);border:1px solid var(--border);white-space:nowrap;border-radius:999px;padding:.2rem .6rem;font-size:.68rem;font-weight:800}.cat-title{margin-top:.3rem;font-size:1.1rem;font-weight:800;line-height:1.25}.cat-link:after{content:"";z-index:0;border-radius:inherit;position:absolute;inset:0}.cat-card{isolation:isolate}.cat-sub{color:var(--text-muted);font-size:.86rem;line-height:1.5}.cat-meta{flex-wrap:wrap;gap:.3rem;margin-top:auto;padding-top:.3rem;display:flex}.cat-meta span{background:var(--surface-muted);border-radius:999px;padding:.12rem .55rem;font-size:.7rem;font-weight:700}.cat-foot{border-top:1px solid var(--border);justify-content:space-between;align-items:center;gap:.6rem;margin-top:.3rem;padding-top:.7rem;display:flex}.cat-progress{flex-direction:column;flex:1;gap:.25rem;min-width:0;display:flex}.cat-bar{background:var(--surface-muted);border-radius:6px;height:6px;display:block;overflow:hidden}.cat-bar span{background:linear-gradient(90deg, var(--c), var(--tone-mint-vivid));border-radius:6px;height:100%;display:block}.cat-progress-text,.cat-free{color:var(--text-muted);font-size:.72rem;font-weight:700}.cat-go{z-index:1;color:#fff;background:var(--c-solid,var(--c));border-radius:999px;align-items:center;min-height:2.5rem;padding:0 1rem;font-size:.85rem;font-weight:800;transition:filter .14s,transform .14s;display:inline-flex;position:relative}.cat-go:hover{filter:brightness(1.1);transform:translate(2px)}.cat-js [data-reveal]:not([data-in]){opacity:0;transform:translateY(18px)}.cat-js [data-reveal][data-in]{transition-delay:var(--d,0s)}.lr-band{border:1px solid var(--border);background:radial-gradient(60% 90% at 100% 0%, color-mix(in srgb, var(--tone-coral-vivid) 14%, transparent), transparent 70%), radial-gradient(60% 90% at 0% 100%, color-mix(in srgb, var(--tone-lavender-vivid) 14%, transparent), transparent 70%), var(--card);box-shadow:var(--shadow);border-radius:1.75rem;padding:1.3rem}.lr-band-head{flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:.8rem;margin-bottom:1rem;display:flex}.cat-roads{grid-template-columns:repeat(auto-fill,minmax(min(100%,15.5rem),1fr));gap:.7rem;display:grid}.cat-road{--c:var(--brand);border:1px solid var(--border);background:var(--card);border-radius:1.1rem;align-items:flex-start;gap:.75rem;min-width:0;padding:.85rem;transition:transform .2s,border-color .2s,box-shadow .2s,opacity .5s;display:flex}.cat-road:hover{border-color:var(--c);box-shadow:var(--shadow-lift);transform:translateY(-2px)}.cat-road-career{color:var(--tone-mint-on);background:var(--tone-mint);border-radius:999px;margin-top:.35rem;padding:.1rem .5rem;font-size:.68rem;font-weight:700;display:inline-block}.lr-how{border:1px solid var(--border);background:var(--card);box-shadow:var(--shadow-flat);border-radius:1.5rem;padding:1.3rem}.lr-how-list{grid-template-columns:repeat(auto-fit,minmax(min(100%,15rem),1fr));gap:.9rem;margin-top:.9rem;font-size:.9rem;display:grid}.lr-how-list li{gap:.7rem;display:flex}.lr-how-n{width:2rem;height:2rem;color:var(--btn-ink);background:var(--grad-btn);border-radius:.7rem;flex-shrink:0;place-items:center;font-weight:900;display:grid}
.ex-intro{border:1px solid var(--border);background:radial-gradient(70% 60% at 100% 0%, color-mix(in srgb, var(--brand) 12%, transparent), transparent 70%), var(--card);max-width:44rem;box-shadow:var(--shadow-lift);border-radius:1.75rem;flex-direction:column;gap:1.1rem;margin-inline:auto;padding:1.4rem;animation:.45s cubic-bezier(.2,.8,.2,1) both ex-rise;display:flex}@keyframes ex-rise{0%{opacity:0;transform:translateY(12px)}}.ex-intro-head{align-items:center;gap:.9rem;display:flex}.ex-intro-icon{background:var(--tone-butter);border-radius:1.1rem;flex-shrink:0;place-items:center;width:3.4rem;height:3.4rem;font-size:1.6rem;display:grid}.ex-kicker{letter-spacing:.08em;text-transform:uppercase;color:var(--text-muted);font-size:.72rem;font-weight:800}.ex-title{font-size:clamp(1.3rem,3vw,1.7rem);font-weight:800;line-height:1.2}.ex-tiles{grid-template-columns:repeat(3,minmax(0,1fr));gap:.6rem;display:grid}.ex-tiles li{text-align:center;background:var(--surface-muted);border-radius:1rem;flex-direction:column;padding:.8rem;display:flex}.ex-tiles strong{font-size:clamp(1.1rem,3vw,1.5rem);font-weight:900}.ex-tiles span{color:var(--text-muted);font-size:.78rem}.ex-rules{border:1px solid color-mix(in srgb, var(--tone-peach-vivid) 45%, transparent);background:var(--tone-peach);color:var(--tone-peach-on);border-radius:1.1rem;padding:1rem 1.1rem;font-size:.9rem}.ex-rules-title{margin-bottom:.5rem;font-weight:800}.ex-rules ul{flex-direction:column;gap:.45rem;display:flex}.ex-rules li{gap:.6rem;display:flex}.ex-rules li>span{background:color-mix(in srgb, var(--card) 65%, transparent);border-radius:.5rem;flex-shrink:0;place-items:center;width:1.5rem;height:1.5rem;font-size:.8rem;display:grid}.ex-best{font-size:.9rem}.ex-bars{gap:.3rem;display:grid}.ex-bar{background:var(--surface-muted);border-radius:6px;height:6px;display:block;overflow:hidden}.ex-bar>span{background:var(--grad-btn);border-radius:6px;height:100%;transition:width .4s;display:block}.ex-bar.is-time>span{background:var(--tone-mint-vivid);transition:width 1s linear}.ex-bar.is-time.is-low>span{background:var(--tone-coral-vivid)}.ex-result{border:2px solid var(--border);background:var(--card);box-shadow:var(--shadow-lift);border-radius:1.75rem;flex-wrap:wrap;align-items:center;gap:1.2rem;padding:1.4rem;animation:.45s cubic-bezier(.2,.8,.2,1) both ex-rise;display:flex}.ex-result.is-pass{border-color:var(--tone-mint-vivid);background:linear-gradient(135deg, var(--tone-mint), var(--card) 60%)}.ex-result.is-fail{border-color:color-mix(in srgb, var(--tone-coral-vivid) 60%, var(--border))}.ex-ring{--share:0;background:conic-gradient(var(--ring,var(--tone-coral-vivid)) calc(var(--share) * 360deg), var(--surface-muted) 0);border-radius:50%;flex-shrink:0;place-items:center;width:7rem;height:7rem;animation:.9s cubic-bezier(.2,.8,.2,1) both ex-spin;display:grid}.ex-result.is-pass .ex-ring{--ring:var(--tone-mint-vivid)}.ex-ring span{background:var(--card);border-radius:50%;place-items:center;width:5.6rem;height:5.6rem;font-size:1.5rem;font-weight:900;display:grid}@keyframes ex-spin{0%{opacity:0;transform:rotate(-90deg)scale(.8)}}.ex-score{font-size:2.6rem;font-weight:900;line-height:1}.ex-result.is-pass .ex-score{color:var(--ok)}.ex-result.is-fail .ex-score{color:var(--vermilion-text)}.ex-cert{color:#1f2328;text-align:center;background:linear-gradient(135deg,#fffdf5,#fff4d6);border:6px double #c9a227;border-radius:1.25rem;padding:1.4rem 1.2rem;animation:.6s cubic-bezier(.2,.8,.2,1) .2s both ex-rise;position:relative}.ex-cert-k{letter-spacing:.25em;text-transform:uppercase;color:#7a5f12;font-size:.7rem;font-weight:800}.ex-cert-name{margin:.5rem 0 .2rem;font-family:Georgia,serif;font-size:1.8rem;font-weight:700}.ex-cert-score{font-size:1.6rem;font-weight:900}.ex-badge{color:var(--tone-mint-on);background:var(--tone-mint);border-radius:1rem;align-items:center;gap:.6rem;padding:.8rem 1rem;font-weight:700;display:flex}.ex-review{border:1px solid var(--border);background:var(--card);box-shadow:var(--shadow-flat);border-left-width:5px;border-radius:1.1rem;padding:1rem}.ex-review.is-ok{border-left-color:var(--tone-mint-vivid)}.ex-review.is-bad{border-left-color:var(--tone-coral-vivid)}